Preheat oven to 400 degrees F. Lightly coat a baking sheet with cooking spray; set aside. For batter, in a medium bowl, stir together flour, cornmeal, sugar, baking powder, dry mustard, and salt. In a small bowl, combine milk, egg, and oil. Add milk mixture to flour mixture; mix just until combined (mixture will be thick).

2.

Insert wooden skewers into ends of the frankfurters. Holding on to skewer, rotate each frankfurter over bowl and spread batter to coat frankfurter evenly. Place on prepared baking sheet. Bake for 14 to 16 minutes or until golden brown. If desired, serve with yellow mustard. Makes 6 corn dogs (1 corn dog per serving)